MIPAID Active Microphone/TRS duel Line Mixer, Media wall plate Made in USA The Whirlwind MIPAI media input plates are active, dual input mixer plates designed to combine line and microphone input sources into a single line level balanced output that can be sent over long distances to remote audio processing equipment. Applications include gymnasiums, banquet halls, conference centers and others where local volume control is desired for the source material. Separate level controls are provided for each input and deliver enough gain to drive modern power amplifiers to full output. Up to three MIPAI plates can be daisy-chained together and powered from a single supply located in the equipment rack. Features include LED level indicators, a bass cut switch on the mic input for reducing rumble and a 3.5mm aux input jack that automatically sums stereo inputs to mono. Screw terminal connections are provided and wiring can be done with two pieces of Belden 8451 type wire or a single Cat5 type wire. Electrical backbox depth of 2.5" minimum recommended for gangable box type, 2.125" for utility box type.